v3.21.1
Summary of Significant Accounting Policies - Accounts Receivable (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Summary of Significant Accounting Policies    
Allowance for doubtful accounts, beginning of period $ 27,162 $ 2,467
Bad debt expense 8,098 24,411
Allowance for doubtful accounts, end of period $ 35,260 $ 26,878